In early December, I attended the California Math Council Northern Section conference in Asilomar, as I’ve done almost every year since the mid-1980’s. In my last post, I discussed my session on fr…| Henri's Math Education Blog
Learning Tools In 1981, after ten years in K-5, I switched to teaching high school math. In some ways, this felt like starting a whole new career: the math was more involved, the relationship with …| Henri's Math Education Blog
An introduction to a parallel axes representation of functions, with an emphasis on its educational value| www.mathed.page
At some point, maybe thirty years ago, it became fashionable to emphasize functions and their multiple representations in secondary school math. This was in part driven by the newly available elect…| Henri's Math Education Blog